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Maniphest T97402

Freestyle paint hidden lines if freestyle get complex
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Description

System Information
Operating system: Linux-5.4.0-107-generic-x86_64-with-glibc2.27 64 Bits
Graphics card: NVIDIA GeForce GTX 1660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 510.54

Blender Version
Broken: version: 3.1.2, branch: master, commit date: 2022-03-31 17:40, hash: rBcc66d1020c3b
Worked: unknown

Short description of error
Freestyle draw hidden lines if the freestyle draws get complex, it starts with a few errors and increased during building the scene

Exact steps for others to reproduce the error
Take the provides .blend-file
Set the emission count for the "sonnenblumenfeld" to 50 and render
The freestyle has no errors
Increase the emission to 250 for example and render
The freestyle paints hidden lines, the lines are also translated somehow

With count 50

With count 250

paint_it_happy10.blend461 KBDownload

Event Timeline

Rigoletto Eikenberg (rigoletto) created this task.Apr 17 2022, 12:27 PM
Richard Antalik (ISS) added a subscriber: Richard Antalik (ISS).Apr 26 2022, 5:36 AM

I wasn't able to complete render - my system froze up. From what I know, freestyle is not developed anymore and line art should be it's replacement. Is it possible to use lineart instead here? See https://docs.blender.org/manual/en/latest/grease_pencil/modifiers/generate/line_art.html#line-art-modifier

Germano Cavalcante (mano-wii) changed the task status from Needs Triage to Needs Information from User.Apr 26 2022, 9:09 PM
Germano Cavalcante (mano-wii) added a subscriber: Germano Cavalcante (mano-wii).

Could it be a driver issue? Because I can't reproduce the problem in:
Operating system: Windows-10-10.0.22000-SP0 64 Bits
Graphics card: Radeon (TM) RX 480 Graphics ATI Technologies Inc. 4.5.14802 Core Profile Context 22.2.3 30.0.14029.5006

For comparison here is a test with line art:

Rigoletto Eikenberg (rigoletto) added a comment.Apr 27 2022, 9:48 AM

Thanks for looking into it. Didnt know freestyle is discontinued and replaced by lineart.
I try it out with lineart.

Germano Cavalcante (mano-wii) closed this task as Archived.Apr 27 2022, 4:00 PM

Since this appears to be a driver issue, and there are plans to discontinue freestyle, I am closing the report.
It can be reopened if this becomes a recurring problem.

Rigoletto Eikenberg (rigoletto) added a comment.Apr 27 2022, 7:10 PM

I can confirm it works if i render with cpu.
So the issue is only with gpu it must be a driver issue.

So as workaround if you want to use "Tip remover" or "Spatial noise" rendering with cpu is a way to do.